**Means of Perceived Trustworthiness and Standard Deviations(Table 1-3)
tabstat ai, by(group) statistics(mean sd)
tabstat human, by(group) statistics(mean sd)

**Regression analysis (Table 4-5）
egen ai_z = std(ai)
egen human_z = std(human)
gen x=access*explain
reg ai access explain x
reg ai_z access explain x
reg human access explain x
reg human_z access explain x

**Regression analysis (Table 6-7）
egen ai_z = std(ai)
egen human_z = std(human)
gen x=access*explain
reg ai access explain x
reg ai_z access explain x
reg human access explain x
reg human_z access explain x

**Regression analysis (Table 8-9）
egen ai_z = std(ai)
egen human_z = std(human)
gen x=access*explain
reg ai access explain x
reg ai_z access explain x
reg human access explain x
reg human_z access explain x

**Interaction Analysis (Table 10）
egen ai_z = std(ai) 
egen human_z = std(human)
gen a=access*explain
gen b=access*study2
gen c=access*study3
gen d=explain*study2
gen e=explain*study3
gen f=access*explain*study2
gen g=access*explain*study3
reg ai access explain study2 study3  a b c d e f g
reg ai_z access explain study2 study3  a b c d e f g
reg human access explain study2 study3 a b c d e f g
reg human_z access explain study2 study3  a b c d e f g

**Descriptive Statistics (Table B 1）
tab gender
tab income 
tab education
sum gender age income education

**Balance tests across experimental groups (Table C 1)
tabulate group gender, chi2
oneway age group, tab
oneway education group, tab
oneway income group, tab

**Balance tests across experimental groups (Table C 2)
tabulate group gender, chi2
oneway age group, tab
oneway education group, tab
oneway income group, tab

**Balance tests across experimental groups (Table C 3)
tabulate group gender, chi2
oneway age group, tab
oneway education group, tab
oneway income group, tab

**Manipulation checks (Figure D 1)
oneway q1 access, tab
oneway q2 explain, tab

**Order effects
egen ai_z = std(ai) 
egen human_z = std(human)
reg ai i.access##i.order2 i.explain##i.order2 i.access##i.order3 i.explain##i.order3
reg ai_z i.access##i.order2 i.explain##i.order2 i.access##i.order3 i.explain##i.order3
reg human i.access##i.order2 i.explain##i.order2 i.access##i.order3 i.explain##i.order3
reg human_z i.access##i.order2 i.explain##i.order2 i.access##i.order3 i.explain##i.order3










